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Tiger Plumbing, Heating, Air Conditioning, & Electrical Services
3.4(
353
)
Fixed Generator - InstallFixed Generator - Repair

Serving Decatur, IL and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Emergency services offered

"2 friendly guys that did awesome work. Transfer switch works great and it's nice to see them clean up when done. I would definitely use the tiger again for electrical work."
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+5

131 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Horizon Electric USA, Inc.
Horizon Electric USA, Inc.
4.7(
17
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Decatur, IL and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Luis was absolutely phenomenal. He installed for us a 240volt connection in our garage for our electric car. He gave us the best price, was on time, very professional, and took the time to explain everything to us before and during the process of installation. Incredible, meticulous work. Thank you Luis."
CUMMINS 50KW LVP GENERATOR
225 AMP NEMA 3R TRANSFER SWITCH
PCV piping
Meter Panel Assembling
Ready for concrete

+8

Response time1 day
Recommended by100%of homeowners
Avatar for Copper Creek Electric Inc
Copper Creek Electric Inc
4.9(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Decatur, IL and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"I was so impressed at the excellence and professionalism of this company in doing the projects I needed for my remodel. Iâ m learning that surprises are to be expected when doing so, and for a homeowner, what would be daunting for me, was dealt with easily and knowledgeably for Ryan and Kyle. Ryan came back to address an issue stemming from the quality of the fixtures I chose, and helped me to find an adequate solution, with patience and a great attitude, which spoke volumes to me. I am grateful to find professionals that do quality work, and possess integrity, and I would highly recommend Ryan and his crew."
Response time4 days
Recommended by100%of homeowners
Raines Electric, LLC
5.0(
1
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Decatur, IL and surrounding areas

In business since 2018

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.\n\n\n\n\nWe are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!\n\n

Recommended by100%of homeowners
Ironhorse Electric
New to Angi
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving Decatur, IL and surrounding areas

In business since 2014

Free estimates

Credit card accepted

Ironhorse Electric is locally owned and operated in the Charleston area. We are a full service electrical company that services both commercial and residential customers. We have over 20 years experience in the home improvement trade and we provide quality work and we are always on time. Please call us today.

Dam Handyman Services
New to Angi
Portable Generator - Install

Serving Decatur, IL and surrounding areas

In business since 2024

Free estimates

Warranties offered

Dam Handyman Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Generator Install questions, answered by experts

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

The Decatur, IL homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.